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103 papers · 2 filters
Exploring the crowded central region of 10 Galactic globular clusters using EMCCDs. Variable star searches and new discoveries
R. Figuera Jaimes, D. M. Bramich, J. Skottfelt +31
Obtain time-series photometry of the very crowded central regions of Galactic globular clusters with better angular resolution than previously achieved with conventional CCDs on gr…
Measurements of water surface snow lines in classical protoplanetary disks
Sandra M. Blevins, Klaus M. Pontoppidan, Andrea Banzatti +5
We present deep Herschel-PACS spectroscopy of far-infrared water lines from a sample of four protoplanetary disks around solar-mass stars, selected to have strong water emission at…
EU Del: exploring the onset of pulsation-driven winds in giant stars
I. McDonald, A. A. Zijlstra, G. C. Sloan +5
We explore the wind-driving mechanism of giant stars through the nearby (117 pc), intermediate-luminosity ( L) star EU Del (HIP 101810, HD 196610). APEX obs…
The Bright Symbiotic Mira EF Aquilae
Bruce Margon, J. Xavier Prochaska, Nicolas Tejos +1
An incidental spectrum of the poorly studied long period variable EF Aquilae shows [O III] emission indicative of a symbiotic star. Strong GALEX detections in the UV reinforce this…
Nova light curves from the Solar Mass Ejection Imager (SMEI) - II. The extended catalog
R. Hounsell, M. J. Darnley, M. F. Bode +10
We present the results from observing nine Galactic novae in eruption with the Solar Mass Ejection Imager (SMEI) between 2004 and 2009. While many of these novae reached peak magni…
First images of debris disks around TWA 7, TWA 25, HD 35650, and HD 377
Élodie Choquet, Marshall D. Perrin, Christine H. Chen +15
We present the first images of four debris disks observed in scattered light around the young (4--250 Myr old) M dwarfs TWA 7 and TWA 25, the K6 star HD 35650, and the G2 star HD 3…